BARKLEY PMHNP STUDY GUIDE FOR EXAM 2026/2027 COMPLETE QUESTIONS AND ANSWERS CORRECT ANSWERS / 100% GUARANTEED A++ NEWEST VERSION PASS

BARKLEY PMHNP STUDY GUIDE FOR EXAM 2026/2027 COMPLETE QUESTIONS AND ANSWERS CORRECT ANSWERS / 100% GUARANTEED A++ NEWEST VERSION PASS What medication is used as aversive therapy for alcohol use disorder? - ANSWER Disulfiram. What is the function of naltrexone in treating alcohol use disorder? - ANSWER It is an opioid receptor antagonist that reduces rewarding effects and cravings. What are common withdrawal symptoms of cannabis? - ANSWER Irritability, anxiety, sleep difficulty, decreased appetite, restlessness, and physical symptoms like abdominal pain. What defines cannabis use disorder? - ANSWER Impaired control, craving, continued use despite consequences, tolerance, withdrawal, and functional impairment. What differentiates intoxication, withdrawal, and use disorder in cannabis use? - ANSWER Intoxication follows recent use; withdrawal follows cessation/reduction; use disorder is the broader maladaptive pattern. What characterizes opioid use disorder? - ANSWER Compulsive opioid use, use despite harm, craving, tolerance, withdrawal, and functional impairment. What is the significance of elevated PT/PTT in alcohol-related medical complications? - ANSWER It suggests impaired clotting factor production or coagulopathy. Delirium core diagnostic triad - ANSWER Acute onset, fluctuating course, and prominent disturbance in attention and awareness. Delirium priority management step - ANSWER Identify and treat the underlying medical cause while ensuring safety. Mild Neurocognitive Disorder functional hallmark - ANSWER Modest cognitive decline where independent everyday functioning remains preserved. Cerebellum - ANSWER Coordinates movement and maintains posture; 11% brain mass. Brainstem - ANSWER Controls reflexive behaviors; houses cranial nerves. VTA - ANSWER Dopaminergic center linked to reward and motivation. Midbrain - ANSWER Border between diencephalon and mesencephalon. Pons - ANSWER Contains locus ceruleus; synthesizes norepinephrine. Medulla Oblongata - ANSWER Controls autonomic functions; CN VIII to XII. Neurons - ANSWER Nervous system cells with soma, dendrites, axons. Dendrites - ANSWER Transmit information to the neuron cell body. Axons - ANSWER Transmit information away from the neuron cell body. Myelin Sheath - ANSWER Insulates axons; formed by Schwann cells. Ranvier Node - ANSWER Gap between myelin sheaths on axons. EEG - ANSWER Measures brain's electrical activity in waveforms. Acetylcholine - ANSWER Increases heart rate, memory, muscle contractions. Norepinephrine - ANSWER Boosts alertness, heart rate, reduces pain sensitivity. Dopamine - ANSWER Enhances well-being, reduces hunger and cravings. Serotonin (5-HT) - ANSWER Increases satiety, well-being, reduces pain perception. Glutamate - ANSWER Primary excitatory neurotransmitter, enhances perception. GABA - ANSWER Inhibitory neurotransmitter, promotes sleepiness and reduces anxiety. Opioids - ANSWER Induce sedation, decrease anxiety and pain perception. Cannabinoids - ANSWER Increase hunger, decrease motivation and sex drive. Histamine - ANSWER Increases alertness and stomach acid production. Nitric Oxide - ANSWER Promotes vasodilation in blood vessels. Therapeutic Alliance - ANSWER Collaboration between client and therapist for goals. Cognitive Impairment Assessments - ANSWER Tools like MoCA, MMSE, MSE evaluate cognition. Mini Mental Status Exam - ANSWER Scoring: 30-26 normal; 9-0 severe impairment. Delirium Treatment - ANSWER Reverse underlying causes; consider D2 blockers. Deliriogenic Drugs - ANSWER Medications like diphenhydramine causing delirium. Delirium - ANSWER Acute confusion requiring quick identification and treatment. Dementia Assessment - ANSWER Rule out delirium before diagnosing dementia. Urine Toxicology - ANSWER Test for psychosis in children. Suicidal Behavior - ANSWER Most common psychiatric emergency in children. MDD Symptoms in Children - ANSWER Irritability, somatic complaints, social withdrawal. Autism - ANSWER Social interaction deficits and repetitive behaviors. Rett Syndrome - ANSWER Developmental delay primarily affecting females. Cerebral Palsy - ANSWER Abnormal motor tone and movement; severity varies. Intellectual Disability - ANSWER Impairment in intellectual function and social adaptability. What are prominent features of neurocognitive disorder due to HIV infection? - ANSWER Executive dysfunction, slowed processing speed, attention problems, and learning and memory impairment. What clinical clues suggest neurocognitive disorder with Lewy bodies? - ANSWER Recurrent visual hallucinations, fluctuating cognition, repeated falls, and autonomic dysfunction. What is a manic episode? - ANSWER A distinct period of abnormally elevated mood and increased activity lasting at least 1 week. What symptoms characterize a manic episode? - ANSWER Inflated self-esteem, decreased need for sleep, pressured speech, racing thoughts, and risky behavior. What differentiates a hypomanic episode from a manic episode? - ANSWER Hypomanic episodes last at least 4 consecutive days and do not cause marked impairment. What is required for a diagnosis of Bipolar I Disorder? - ANSWER At least one manic episode. What is required for a diagnosis of Bipolar II Disorder? - ANSWER At least one hypomanic episode and one major depressive episode, with no history of manic episodes. What characterizes cyclothymic disorder? - ANSWER Chronic mood disturbance with numerous periods of hypomanic and depressive symptoms that do not meet full criteria for episodes. What is Disruptive Mood Dysregulation Disorder (DMDD)? - ANSWER Severe recurrent temper outbursts and persistent irritability, diagnosed between ages 6 and 18. How does bipolar disorder differ from schizoaffective disorder? - ANSWER In bipolar disorder, psychosis occurs only during mood episodes; schizoaffective disorder requires 2 weeks of psychotic symptoms without mood symptoms. What are the treatment principles for bipolar disorder? - ANSWER Mood stabilizers, antipsychotics, ECT, psychoeducation, safety assessment, and ongoing monitoring. What is postpartum hypomania? - ANSWER Hypomanic symptoms that may occur postpartum and can be overlooked due to perceived increased energy. Oppositional Defiant Disorder (ODD) - ANSWER Hostile defiance and resistance to authority. Conduct Disorder (CD) - ANSWER Impulsivity with antisocial behavior patterns. Conversion - ANSWER Psychological distress expressed as physical symptoms. Dissociation - ANSWER Disconnection from physical reality or self. Humor - ANSWER Finding humor to alleviate stress and anxiety. Intellectualization - ANSWER Analyzing emotional issues in intellectual terms. What symptoms may occur postpartum that can indicate bipolar-spectrum vulnerability? - ANSWER Hypomanic symptoms, which may be overlooked due to increased energy. What is the primary distinction in diagnosing bipolar disorder? - ANSWER Bipolar I diagnosis takes precedence when manic episodes are present. Social Pragmatic Communication Disorder differentiator - ANSWER Impaired social communication without restricted, repetitive patterns of behavior seen in autism. Specific Learning Disorder duration criteria - ANSWER Persistent academic skill difficulties for at least 6 months despite targeted intervention. Dyslexia primary impairment - ANSWER Inaccurate or slow word recognition, poor decoding, and poor spelling abilities. First-generation antihistamines in geriatrics - ANSWER Avoid routine use due to strong anticholinergic burden, confusion, and fall risk. High-dose Tricyclic Antidepressants in older adults - ANSWER Avoid high-dose TCAs due to severe anticholinergic activity, sedation, and orthostasis. Low-dose Doxepin exception in Beers Criteria - ANSWER Doxepin ≤ 6 mg/day has a safety profile comparable to placebo. Tourette's Syndrome - ANSWER Characterized by vocal and motor tics. Separation Anxiety Disorder - ANSWER Avoidance of situations away from attachment figure. Learning Disorder Assessment - ANSWER Check visual/auditory impairments and evaluate IQ. ADHD and Bipolar - ANSWER Overlapping symptoms may mask mania. Erikson's Trust vs. Mistrust - ANSWER Trusting or paranoid outlook on the world. Erikson's Autonomy vs. Shame - ANSWER Self-control versus feelings of shame. Erikson's Initiative vs. Guilt - ANSWER Motivation versus feelings of being a bother. Erikson's Industry vs. Inferiority - ANSWER Confidence in abilities versus feelings of inferiority. Erikson's Identity vs. Role Confusion - ANSWER Commitment to self versus uncertainty of belonging. Erikson's Intimacy vs. Isolation - ANSWER Commitment in relationships versus loneliness. Defense Mechanisms - ANSWER Psychological strategies to cope with reality. Denial - ANSWER Refusing to accept a painful reality. Displacement - ANSWER Shifting impulses to a more acceptable target. Rationalization - ANSWER Self-justifying explanations for threatening realities. Projection - ANSWER Attributing one's own impulses to others. Reaction Formation - ANSWER Transforming unacceptable impulses into their opposites. Regression - ANSWER Returning to an earlier developmental stage. Parkinson's motor symptom mnemonic (TRAP) - ANSWER Tremor at rest, Rigidity, Akinesia/bradykinesia, and Postural instability. Cholinesterase inhibitor adverse effect monitoring - ANSWER Nausea, diarrhea, weight loss, bradycardia, syncope, and sleep disruption.